Know Your Environment. Protect Your Health.

Dichloroacetic acid

Norphlet Waterworks

Dichloroacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

48

Samples

0

Samples exceeding legal limit (MCL)

22

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.19 ppb85ND - 2.40 ppb
20190.663 ppb84ND - 1.60 ppb
20200.550 ppb84ND - 1.20 ppb
20210.575 ppb83ND - 2.20 ppb
20220.264 ppb82ND - 1.08 ppb
20230.770 ppb84ND - 1.83 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-1318073003801ND
2018-03-1318073003901ND
2018-06-11181650034011.000 ppb
2018-06-1118165003301ND
2018-09-12182560022012.00 ppb
2018-09-12182560023012.40 ppb
2018-12-03183400047012.10 ppb
2018-12-03183400048012.00 ppb
2019-03-1119073003801ND
2019-03-1119073003701ND
2019-06-17191710045011.60 ppb
2019-06-17191710046011.30 ppb
2019-09-09192550001011.20 ppb
2019-09-09192550002011.20 ppb
2019-12-0219339003201ND
2019-12-0219339003301ND
2020-03-03200640037011.10 ppb
2020-03-03200640036011.000 ppb
2020-06-0820163002801ND
2020-06-0820163002901ND
2020-09-0720254001801ND
2020-09-0720254001901ND
2020-12-07203450019011.20 ppb
2020-12-07203450018011.10 ppb
2021-03-0821070008201ND
2021-03-08210700081011.10 ppb
2021-06-07211610004011.30 ppb
2021-06-07211610003012.20 ppb
2021-09-0621252002901ND
2021-09-0621252002801ND
2021-12-0821343002301ND
2021-12-0821343002401ND
2022-03-02O195885-HAA-1ND
2022-03-02O195884-HAA-1ND
2022-06-08O198851-HAA-1ND
2022-06-08O198852-HAA-1ND
2022-09-06O201434-HAA-1ND
2022-09-06O201435-HAA-11.08 ppb
2022-12-06O204278-HAA-1ND
2022-12-06O204279-HAA-11.03 ppb
2023-03-06O206914-HAA-1ND
2023-03-29O207371-HAA-1ND
2023-06-12O209992-HAA-11.83 ppb
2023-06-12O209991-HAA-11.83 ppb
2023-09-06O211817-HAA-11.40 ppb
2023-09-06O211816-HAA-11.10 ppb
2023-12-04O214330-HAA-1ND
2023-12-04O214331-HAA-1ND